Alert archive / Kentucky / Flash Flood Warnings in 2011

Flash Flood Warning 1, NWS Jackson, KY

February 25, 20117 counties in Kentucky

NWS Jackson, KY issued this flash flood warning at Feb 25, 2011, 12:38 AM EST for 7 counties in Kentucky. It was in force for 6 hr. 3 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Feb 25, 2011, 12:38 AM EST (05:38 UTC)
Expired
Feb 25, 2011, 6:30 AM EST
In force
6 hr
Issued by
NWS Jackson, KY
Area
Storm-based polygon
Flood severity
None

Counties Jackson County, KY, Laurel County, KY, McCreary County, KY, Pulaski County, KY, Rockcastle County, KY, Wayne County, KY, Whitley County, KY

The radar

The Jackson,KY radar (KJKL), 111 km from the middle of the area, began a volume at 05:41 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Feb 25, 12:50 AM ESTFLOODMonticello, KYWATER HAD BACKED UP AND ONTO HWY 92E IN MONTICELLO. THE LAST REPORT OF FLOODING WAS RECEIVED AROUND 430 AM BY THE COUNTY DISPATCH OFFICE.
Feb 25, 1:30 AM ESTFLOODWilliamsburg, KYSOME MINOR FLOODING WAS REPORTED ALONG HWY 25W JUST NORTH OF WILLIAMSBURG.
Feb 25, 4:40 AM ESTFLOODMorrill, KYWATER HAD BACKED UP OUT OF ROADSIDE DITCHES AND ACROSS HWY 421 IN THE MORRILL AREA ON BOTH SIDES OF THE ROCKCASTLE JACKSON COUNTY LINE.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Nashville Metro, TN (KBNA), launched 00:00Z, 5.6 hours before the alert went out and 223 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Nashville Metro, TN at 00:00Z on 2011-02-25Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 17 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Nashville Metro, TN at 00:00Z on 2011-02-25The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 538 square meters per square second.1939587897117Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
17 J/kg
Mixed-layer CIN
-79 J/kg
Mixed-layer LCL
793 m above ground
0-6 km bulk shear
74 kt
0-1 km storm-relative helicity
538 m²/s²
0-3 km storm-relative helicity
629 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.5

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

154 
WGUS53 KJKL 250538
FFWJKL
KYC109-125-147-199-203-231-235-251130-
/O.NEW.KJKL.FF.W.0001.110225T0538Z-110225T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE JACKSON KY
1238 AM EST FRI FEB 25 2011

THE NATIONAL WEATHER SERVICE IN JACKSON KY HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  JACKSON COUNTY IN SOUTHEAST KENTUCKY...
  LAUREL COUNTY IN SOUTH CENTRAL KENTUCKY...
  MCCREARY COUNTY IN SOUTH CENTRAL KENTUCKY...
  PULASKI COUNTY IN SOUTH CENTRAL KENTUCKY...
  ROCKCASTLE COUNTY IN SOUTH CENTRAL KENTUCKY...
  WAYNE COUNTY IN SOUTH CENTRAL KENTUCKY...
  WHITLEY COUNTY IN SOUTH CENTRAL KENTUCKY...

* UNTIL 630 AM EST

* AT 1235 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED 
  THUNDERSTORMS WITH VERY HEAVY RAINFALL ACROSS THE WARNED AREA.     
  FROM THESE EXPECT BETWEEN AN INCH AND AN INCH AND A HALF OF RAIN   
  FALL OVER A SHORT PERIOD OF TIME. MUCH OF THIS RAIN WILL FALL IN   
  LOCATIONS THAT RECEIVED HEAVY RAIN EARLY IN THE DAY...THURSDAY. 

* RUNOFF FROM THIS EXCESSIVE RAINFALL WILL CAUSE FLASH FLOODING TO
  OCCUR. SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...
  LONDON...MCKEE...MONTICELLO...MOUNT VERNON...SOMERSET...WHITLEY    
  CITY...AND WILLIAMSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. DO
NOT ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND TO
ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS SUBJECT TO FLOODING WHEN
WATER BEGINS RISING.

&&

LAT...LON 3700 8486 3706 8493 3712 8492 3736 8458
      3734 8452 3748 8447 3748 8438 3753 8436
      3756 8395 3736 8380 3726 8395 3717 8398
      3710 8393 3698 8400 3696 8410 3659 8394
      3664 8501 3677 8502 3686 8508

$$

GREIF
2 follow-up statements
660 
WGUS73 KJKL 250718
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
218 AM EST FRI FEB 25 2011

KYC109-125-147-199-203-231-235-251130-
/O.CON.KJKL.FF.W.0001.000000T0000Z-110225T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON KY-ROCKCASTLE KY-PULASKI KY-LAUREL KY-WAYNE KY-WHITLEY KY-
MCCREARY KY-
218 AM EST FRI FEB 25 2011

...FLASH FLOOD WARNING REMAINS IN EFFECT FOR MCCREARY...WHITLEY...
WAYNE...LAUREL...PULASKI...ROCKCASTLE AND JACKSON COUNTIES UNTIL 630
AM EST...

AT 216 AM EST...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED AN 
AREA OF MODERATE RAINFALL CONTINUES ACROSS THE WARNED AREA. FROM 
THIS...ANOTHER QUARTER TO A HALF AN INCH OF RAIN WILL FALL THROUGH 4 
AM EST. 

MODERATE RAIN CONTINUES TO FALL ACROSS THE WARNED AREA. RUNOFF FROM 
THIS EXCESSIVE RAINFALL WILL LIKELY CAUSE ISOLATED FLASH FLOODING TO 
OCCUR. SOME LOCATIONS THAT COULD EXPERIENCE FLASH FLOODING 
INCLUDE...LONDON...MCKEE...MONTICELLO...MOUNT VERNON...SOMERSET... 
WHITLEY CITY AND WILLIAMSBURG.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLOODING IS OBSERVED...ACT QUICKLY. DO NOT
ENTER THE WATER. TURN AROUND AND MOVE UP TO HIGHER GROUND. DO NOT
STAY IN AREAS SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 3700 8486 3706 8493 3712 8492 3736 8458
      3734 8452 3748 8447 3748 8438 3753 8436
      3756 8395 3736 8380 3726 8395 3717 8398
      3710 8393 3698 8400 3696 8410 3659 8394
      3664 8501 3677 8502 3686 8508

$$

GREIF
558 
WGUS73 KJKL 251132 RRA
FFSJKL

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE JACKSON KY
632 AM EST FRI FEB 25 2011

KYC109-125-147-199-203-231-235-251148-
/O.EXP.KJKL.FF.W.0001.000000T0000Z-110225T1130Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
JACKSON KY-ROCKCASTLE KY-PULASKI KY-LAUREL KY-WAYNE KY-WHITLEY KY-
MCCREARY KY-
632 AM EST FRI FEB 25 2011

...THE FLASH FLOOD WARNING THAT WAS IN EFFECT FOR MCCREARY...
WHITLEY...WAYNE...LAUREL...PULASKI...ROCKCASTLE AND JACKSON COUNTIES
HAS BEEN ALLOWED TO EXPIRE...

CALLS TO COUNTIES IN THE WARNING AREA INDICATE THAT EXCESS RUNOFF 
FROM HEAVY RAIN HAS ENDED OVER THE WARNED AREA. STREAMS AND CREEKS 
IN THE WARNED AREA HAVE RECEDED OR WERE BEGINNING TO RECEDE SINCE 
THE HEAVY RAIN HAS ENDED...ENDING THE FLOOD THREAT. IF FLOODING HAS 
BEEN OBSERVED...PLEASE REPORT IT TO YOUR LOCAL LAW ENFORCEMENT 
AGENCY.

LAT...LON 3700 8486 3706 8493 3712 8492 3736 8458
      3734 8452 3748 8447 3748 8438 3753 8436
      3756 8395 3736 8380 3726 8395 3717 8398
      3710 8393 3698 8400 3696 8410 3659 8394
      3664 8501 3677 8502 3686 8508

$$

PELTON

The office that day

Everything else NWS Jackson, KY issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Feb 25, 12:23 AM ESTSevere Thunderstorm WarningJKLJackson, Laurel, McCreary, Pulaski, Rockcastle, Wayne and 1 more52 min
Feb 25, 12:48 AM ESTAreal Flood AdvisoryJKLBath, Estill, Fleming, Jackson, Menifee, Montgomery and 2 more6 hr
Feb 25, 1:10 AM ESTAreal Flood AdvisoryJKLBell, Clay, Harlan, Knox, Lee, Leslie and 1 more5 hr
Feb 25, 1:21 AM ESTAreal Flood AdvisoryJKLBreathitt, Elliott, Johnson, Magoffin, Morgan, Perry and 1 more5 hr
Feb 25, 1:25 AM ESTSevere Thunderstorm WarningJKLBreathitt, Lee, Owsley, Perry35 min
Feb 25, 1:51 AM ESTFlash Flood WarningJKLBell, Harlan, Knox5 hr
Feb 25, 5:07 AM ESTRiver Flood AdvisoryJKLLee27 hr
Feb 25, 5:07 AM ESTRiver Flood AdvisoryJKLEstill52 hr
Feb 25, 5:07 AM ESTRiver Flood AdvisoryJKLEstill, Powell50 hr
Feb 25, 5:43 AM ESTRiver Flood WarningJKLWhitley41 hr
Feb 25, 6:30 AM ESTAreal Flood WarningJKLJackson, Rockcastle4 hr
Feb 25, 10:07 AM ESTRiver Flood AdvisoryJKLKnox26 hr
Feb 25, 12:03 PM ESTRiver Flood AdvisoryJKLBell7 hr

Nearby

Flash Flood Warnings in Kentucky, 2011Every flash flood warning in 2011

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.